Birdwatch Note Rating
2025-01-31 16:46:46 UTC - HELPFUL
Rated by Participant: C21523BA25D5932C2EE174643415DF3B46CC5AD9F908BA3FB1080221B1587D1E
Participant Details
Original Note:
Once again the picture shown is of jet engine contrails. Depending on the temperature/moisture in the air at the aircraft altitude, contrails can evaporate quickly or can persist/spread Flight tests conducted: https://elib.dlr.de/9247/1/aerscitech-2000.pdf EPA's definition of contrails: https://www.epa.gov/sites/default/files/2016-10/documents/afd-051013-001.pdf Schrader contrail study: https://journals.ametsoc.org/view/journals/apme/36/12/1520-0450_1997_036_1725_coacfc_2.0.co_2.xml
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